import {
    login,
    regrister,
    modifySetting,
    logout,
    getInfo,
    checkHost
} from '@/api/user'
import {
    getToken,
    setToken,
    removeToken
} from '@/utils/auth'
import router, {
    resetRouter
} from '@/router'
import Utils from "@/utils/utils"

const state = {
    token: getToken(),
    name: '',
    avatar: '',
    introduction: '',
    roles: []
}

const mutations = {
    SET_TOKEN: (state, token) => {
        state.token = token
    },
    SET_INTRODUCTION: (state, introduction) => {
        state.introduction = introduction
    },
    SET_NAME: (state, name) => {
        state.name = name
    },
    SET_AVATAR: (state, avatar) => {
        state.avatar = avatar
    },
    SET_ROLES: (state, roles) => {
        state.roles = roles
    }
}

const actions = {
    // user login
    login({
        commit
    }, userInfo) {
        const {
            username,
            password
        } = userInfo
        return new Promise((resolve, reject) => {
            login({
                username: username.trim(),
                password: password
            }).then(response => {
                const {
                    data
                } = response
                commit('SET_TOKEN', data.token)
                setToken(data.token)
                Utils.setStorage('userInfo', data)
                resolve()
            }).catch(error => {
                reject(error)
            })
        })
    },

    // user regrister
    regrister({
        commit
    }, userInfo) {
        const {
            username,
            password,
            qq
        } = userInfo
        return new Promise((resolve, reject) => {
            regrister({
                username: username.trim(),
                password: password,
                qq: qq
            }).then(response => {
                const {
                    data
                } = response
                commit('SET_TOKEN', data.token)
                setToken(data.token)
                Utils.setStorage('userInfo', data)
                resolve()
            }).catch(error => {
                reject(error)
            })
        })
    },

    modifySetting(other, fromInfo) {
        const {
            ext_conifg
        } = fromInfo
        return new Promise((resolve, reject) => {
            modifySetting({
                ext_conifg: JSON.stringify(ext_conifg)
            }).then(response => {
                resolve(response)
            }).catch(error => {
                reject(error)
            })
        })
    },
    
    checkHost(other, fromInfo) {
        const {
            ext_conifg
        } = fromInfo
        return new Promise((resolve, reject) => {
            checkHost({
                url: ext_conifg.api_url
            }).then(response => {
                resolve(response)
            }).catch(error => {
                reject(error)
            })
        })
    },

    // get user info
    getInfo({
        commit,
        state
    }) {
        return new Promise((resolve, reject) => {
            getInfo(state.token).then(response => {
                const {
                    data
                } = response
                if (!data) {
                    reject('用户信息获取失败，请尝试重新登录')
                }

                const {
                    username,
                    qq,
                    introduction
                } = data

                // roles must be a non-empty array
                // if (!roles || roles.length <= 0) {
                //   reject('getInfo: roles must be a non-null array!')
                // }

                // commit('SET_ROLES', roles)/
                commit('SET_NAME', username)
                if (qq) {
                    commit('SET_AVATAR', "http://q1.qlogo.cn/g?b=qq&nk=" + qq + "&s=640")
                }
                commit('SET_INTRODUCTION', introduction)
                Utils.setStorage('userInfo', data)
                resolve(data)
            }).catch(error => {
                reject(error)
            })
        })
    },

    // user logout
    logout({
        commit,
        state,
        dispatch
    }) {
        return new Promise((resolve, reject) => {
            logout(state.token).then(() => {
                commit('SET_TOKEN', '')
                commit('SET_ROLES', [])
                removeToken()
                resetRouter()

                // reset visited views and cached views
                // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
                dispatch('tagsView/delAllViews', null, {
                    root: true
                })

                resolve()
            }).catch(error => {
                reject(error)
            })
        })
    },

    // remove token
    resetToken({
        commit
    }) {
        return new Promise(resolve => {
            commit('SET_TOKEN', '')
            commit('SET_ROLES', [])
            removeToken()
            resolve()
        })
    },

    // dynamically modify permissions
    async changeRoles({
        commit,
        dispatch
    }, role) {
        const token = role + '-token'

        commit('SET_TOKEN', token)
        setToken(token)

        const {
            roles
        } = await dispatch('getInfo')

        resetRouter()

        // generate accessible routes map based on roles
        const accessRoutes = await dispatch('permission/generateRoutes', roles, {
            root: true
        })
        // dynamically add accessible routes
        router.addRoutes(accessRoutes)

        // reset visited views and cached views
        dispatch('tagsView/delAllViews', null, {
            root: true
        })
    }
}

export default {
    namespaced: true,
    state,
    mutations,
    actions
}
